81707090 (number)

81707090 is an even 8-digits composite number following 81707089 and preceding 81707091. In scientific notation, it is written as 8.1707090 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 32682832 positive integers (up to 81707090) that are relatively prime to 81707090.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seven thousand ninety

Notation

Scientific notation 8.1707090 × 10^7
Engineering notation 8.1707090 × 10^6

Prime Factorization of 81707090

Prime Factorization 2 × 5 × 8170709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81707090
Product of the distinct prime numbers

The prime factorization of 81707090 is 2 × 5 × 8170709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81707090)

Multiplication

n×y
n×2 163414180
n×3 245121270
n×4 326828360
n×5 408535450

Division

n÷y
n÷2 40853545
n÷3 27235696.666667
n÷3 20426772.5
n÷5 16341418

Exponentiation

ny
n2 6676048556268100
n3 5.4548050023137E+23
n4 4.4569624325649E+31
n5 3.641654306042E+39

Nth Root

y√n
2√n 9039.1974201253
3√n 433.93023788965
4√n 95.074693899719
5√n 38.234194813712

Divisors of 81707090

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81707089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81707090 can be divided by 8 positive divisors. The sum of these divisors (counting 81707090) is 1, the average is 0.125.

Base conversion 81707090

Base System Value
2 Binary 100110111101100000001010010
3 Ternary 12200202011001112
4 Quaternary 10313230001102
5 Quinary 131404111330
6 Senary 12035133322
8 Octal 467540122
10 Decimal 81707090
12 Duodecimal 23444242
16 Hexadecimal 4dec052
20 Vigesimal 15ad7ea
36 Base36 1cn9le

Cryptographic Hash Functions

md5 6b036d78b05d173427547d76d1bc61fb
sha1 912c9e8cbd17e50760e977e79ab0fb54d43e4ddc
sha256 3228c8f3cc664983546bfabf8f1dff637225133ab1fd3d1fe5551ff61ed08d85
sha512 787cdcdc385a7e84f2c704174e3ca80b5647ef52cba85fb08a72b938f835d115bd3c4c245007d38b258d2f6d85ebe60efac0460179de98887f3da07fdb56962f
ripemd-160 16d43265d215918810b8594dbb18a05a00d6f2da

81707090 as geometric shapes

Circle

Radius = n
Diameter 163414180
Circumference 513380787.3804
Area 2.0973425099381E+16

Sphere

Radius = n
Volume 2.2849033762711E+24
Surface area 8.3893700397522E+16
Circumference 513380787.3804

Square

Length = n
Perimeter 326828360
Area 6676048556268100
Diagonal 115551274.82004

Cube

Length = n
Surface area 40056291337608600
Volume 5.4548050023137E+23
Space diagonal 141520831.2186

Equilateral Triangle

Length = n
Perimeter 245121270
Area 2.8908138233133E+15
Altitude 70760415.609301

Triangular Pyramid

Length = n
Surface area 2.8908138233133E+15
Volume 6.4285493453105E+22
Height 38517091.60668